Coherent LM-45 HTD Thermopile Laser Power Sensor Head; 100 mW to 25W Range

OPHIR NOVA 1Z01500 DISPLAY LASER POWER METER - TESTED!

Melles Griot Laser Head Model 85-BBB-020-072

Leader LPM 8000 LPM8000 Laser Diode Power Meter Unit Only *TESTED WORKING*

Scientech 380201 Laser Power & Energy Sensor Head 25W Thermal Calorimeter USAYPG

New/NOS JDS Unphase 1108P Linear Polarized HeNe Laser Head + PS & DC Adapter

HeNe Laser Heads - Several Types - Teaching, Research, Modes, Stabilized, Zeeman

Molectron JD2000 Joulemeter Ratiometer Power Meter Laser Energy